LED Lights Gummy Candy. Edible + Glowing Candy!

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Introduction: LED Lights Gummy Candy. Edible + Glowing Candy!

This is our Instructable on making techie Edible + Glowing LED Light Gummy Candy at SoHa SMART. We make this for people to nosh on before classes and Meetups. If you put them under a black light they glow! This is because of the ingredient Quinine which is the key ingredient found in the tonic water. We mixed tonic water instead of plain water. Use our recipe as a base and tweak it from there to make any gummy glow!

Our recipe makes approximately 120 candies

Step 1: Things You Will Need...

We used some standard gum drop molds. Plastic candy molds and shaped ice cube trays woork too (small shapes work best).

Cooking spray

1 3-oz. package powdered Jell-O, any flavor. This also depends on what color you want you LED's to be. We used Jolly Rancher Green Apple Flavor.

7 packets gelatin, unflavored

1/2 cup TONIC WATER

Small saucepan

Small whisk

Wooden spoon

Useable Options:

Food Syringe

3D Printer (we used this to create the LED leads and printed in PLA which is a corn based plastic) (you could easily use 2 plastic food picks or colored toothpicks)

Blacklight bulb

Step 2: 3D Print Your LED Leads

You can use your 3D Printer to make the leads. Here is the .STL file you will need to make them from Thingiverse.

If using plastic picks or colored tooth picks skip this step.

Step 3: Create Your Gummies...

1. Spray plastic candy molds generously with cooking spray. Set molds aside.

2. Use a fork or small whisk to combine powdered Jell-O and gelatin in a saucepan. With a wooden spoon, stir in tonic water. Don’t worry if it isn’t smooth.

3. Stir mixture constantly over medium heat with the wooden spoon until the powder is completely dissolved and you feel no more grit when you stir. Do not allow mixture to heat to a boil.

4. When the powder is completely dissolved, remove the pot from the heat and pour the mixture carefully into molds, being careful that the mixture does not overflow the molds.

If you have a food syringe you can utilize it now.

Step 4: Insert Your LED Leads

Allow to cool completely (about 10 minutes in refrigerator or 30 hour at room temperature) and insert your leads. You might find it easier to monitor the cooling and insert your leads earlier.

Step 5: Have Fun!

Unmold and enjoy!

If you have a blacklight set up make them glow!

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    52 Discussions

    no video wtf these needs videos

    This could be a great prank if you plant one of these on a robot or with some engineering group and just randomly pick one up and eat it the reactions would be priceless :D

    6 replies

    what you do is mold the leads with a EDIBLE food and just eat it whole, or are the leads edible?

    PLA plastic is a corn-based material that is biodegradable and used for medical implants in humans. It is safe to eat.

    hey gunman15, I presume you could mold leads in sugar and use them, but it might be hard to insert them due to the gummy being warm liquid...it's worth a try! These are 3D printed with PLA.

    Polylactic acid. Poly(lactic acid) or polylactide (PLA) is a biodegradable thermoplastic aliphatic polyester derived from renewable resources, such as corn starch (in the United States), tapioca roots, chips or starch (mostly in Asia), or sugarcane (in the rest of the world).

    Are PLA products safe to eat?
    PLA products are not edible yet are generally non-toxic. Small pieces of PLA will most likely pass harmlessly through the gastrointestinal tract. Once passed through the gastrointestinal tract it will be eliminated in the stool. Please consult a doctor if pain or discomfort arises.


    there are other conceerns with 3D printing for food contact as well. http://www.adafruit.com/blog/2013/05/16/3d-printing-and-food-safety-3dthursday/

    you cant eat the leads can you? i wonder if there would be a way to use something that would be edible....gold would be too expensive.....

    4 replies

    oh, ok. i misunderstood that part. that makes sense then. i would be cool if they did light up for real! but i'm not sure how you would work that without a power source and who want wires running thru their cake?!?